Kacper Piorun

Kacper Piorun (born 24 November 1991) is a Polish chess grandmaster, a five-time world champion in chess problem solving, and two-time winner of the Polish chess championship.

Kacper Piorun
Piorun in 2021
Born (1991-11-24) 24 November 1991 (age 29)
Łowicz, Poland
TitleGrandmaster (2012)
International Solving Grandmaster (2011)
FIDE rating2608 (August 2021)
Peak rating2685 (July 2016)


In 2007, Piorun won the Polish under-16 chess championship in Łeba. In 2009, he finished third in the World Youth Chess Championship. In 2010, he won the Rubinstein Memorial in Polanica-Zdrój. In 2013, he won the Polish Blitz Chess Championship in Bydgoszcz. In 2015, Piorun took clear first place at the 17th Open of Sants, Hostafrancs & La Bordeta in Barcelona[1] and at the 19th Open International Bavarian Chess Championship in Bad Wiessee.[2] He has also competed successfully in several Polish Team Chess Championships.[3] He won the Polish chess championship in 2017 and in 2020.[4][5]

Piorun played for Poland in the European U18 Team Chess Championship in 2008, winning two gold medals (team and individual on board 3), and 2009, winning the team silver. He took part in the 2013 European Team Chess Championship in Warsaw, playing on board 4 for Poland's second team.[6]

Piorun is an excellent chess problem solver. In 2011, he won the individual World Chess Solving Championship in Jesi and became an International Solving Grandmaster as a result.[7][8] Piorun won the world individual title also in 2014 in Berne,[9] 2015 in Ostróda[10] and 2016 in Belgrade.[11] He won team gold with Poland at the World Chess Solving Championship in Jesi 2011,[8] Kobe 2012,[12] Batumi 2013,[13] Berne 2014,[9] Ostróda 2015,[10] Belgrade 2016 and Dresden 2017 events.

During the 2018 Chess Olympiad in Batumi, he defeated the thirteenth best player in the world, Hikaru Nakamura,[14] and claimed fourth place overall with the Polish team.

He tied for 3rd to 11th place in the 2019 European Individual Championship with David Anton Guijarro, Ferenc Berkes, Niclas Huschenbeth, Sergei Movsesian, Liviu-Dieter Nisipeanu, Grigoriy Oparin, Maxim Rodshtein, and Eltaj Safarli.[15]


  1. ^ "GM Piorun tops 17th Open of Sants, Hostafrancs & La Bordeta". Chessdom. 1 September 2015. Retrieved 24 December 2015.
  2. ^ "GM Kacper Piorun wins 19th Bad Wiessee International Tournament 2015". Chessdom. 9 November 2015. Retrieved 10 November 2015.
  3. ^ OlimpBase :: Polish Team Chess Championship :: Kacper Piorun
  4. ^ Lotto Indywidualne Mistrzostwa Polski
  5. ^ "The Week in Chess 1343". theweekinchess.com. Retrieved 9 August 2020.
  6. ^ Kacper Piorun team chess record at Olimpbase.org
  7. ^ 54th Meeting of the World Federation for Chess Composition in Jesi, Italy August 20 – 27, 2011
  8. ^ a b Nunn, John (14 September 2011). "Poles take World Problem Solving Championship 2011". ChessBase. Retrieved 24 December 2015.
  9. ^ a b "38th World Chess Solving Championship". Retrieved 10 November 2015.
  10. ^ a b Nunn, John (20 August 2015). "Ostroda: 39th World Solving Championship (2)". ChessBase. Retrieved 22 December 2015.
  11. ^ Nunn, John (17 August 2016). "Poles dominate World Problem Solving Championship". ChessBase. Retrieved 1 September 2016.
  12. ^ 36th World Chess Solving Championship Kobe 17.-18.9.2012
  13. ^ 37th World Chess Solving Championship
  14. ^ "43rd Olympiad Batumi 2018 Open". Retrieved 6 October 2018.
  15. ^ "2019 European Individual Championship chess tournament results – ChessFocus.com". www.chessfocus.com. Retrieved 16 August 2020.

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